diff options
| author | Brian Behlendorf <[email protected]> | 2013-01-18 14:11:40 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2013-01-18 15:04:23 -0800 |
| commit | ee93035378ff1f0769bb4216dc35057a2f14f9b9 (patch) | |
| tree | f5e044f0670eefb9af4d23c91c5707926d5c0128 /config/kernel-dentry-operations.m4 | |
| parent | babf3f9b6d9294b0a88457941d60af5d9d7b744d (diff) | |
Use sb->s_d_op default dentry operations
As of Linux 2.6.37 the right way to register custom dentry
operations is to use the super block's ->s_d_op field.
For older kernels they should be registered as part of the
lookup operation.
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #1223
Diffstat (limited to 'config/kernel-dentry-operations.m4')
| -rw-r--r-- | config/kernel-dentry-operations.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/config/kernel-dentry-operations.m4 b/config/kernel-dentry-operations.m4 index 5685b7d6f..dfbea7dfd 100644 --- a/config/kernel-dentry-operations.m4 +++ b/config/kernel-dentry-operations.m4 @@ -62,3 +62,22 @@ AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP], AC_MSG_RESULT(no) ]) ]) + +dnl # +dnl # 2.6.38 API chage +dnl # Added sb->s_d_op default dentry_operations member +dnl # +AC_DEFUN([ZFS_AC_KERNEL_S_D_OP], + [AC_MSG_CHECKING([whether super_block has s_d_op]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/fs.h> + ],[ + struct super_block sb __attribute__ ((unused)); + sb.s_d_op = NULL; + ], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_S_D_OP, 1, [struct super_block has s_d_op]) + ], [ + AC_MSG_RESULT(no) + ]) +]) |